What airlines fly to Sydney?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Sydney from Louisville according to our data. Qantas Airways is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Sydney Kingsford Smith?

United Airlines is the most popular carrier operating from Louisville Intl to Sydney Kingsford Smith

When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

There are 2 operators available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of September 2026.

How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,311 Cheap Flights from Louisville to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Sydney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

23h 10m1 stop Houston George Bush Intcntl

9:20 am - 9:30 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

28h 10m1 stop Houston George Bush Intcntl

$1,311United Airlines

Sun, Feb 14 - Mon, Feb 22

3:50 pm - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

23h 10m1 stop Houston George Bush Intcntl

9:20 am - 9:30 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

28h 10m1 stop Houston George Bush Intcntl

$1,311United Airlines

Mon, Feb 15 - Mon, Feb 22

8:20 am - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

32h 10m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 12:02 amSYD Sydney Kingsford Smith-SDF Louisville Intl

29h 22m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Mon, Feb 15 - Tue, Feb 23

5:45 pm - 6:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

45h 05m2 stops Atlanta Hartsfield-Jackson Los Angeles

1:35 pm - 12:02 amSYD Sydney Kingsford Smith-SDF Louisville Intl

26h 27m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Sat, Feb 13 - Tue, Feb 23

3:50 pm - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

23h 10m1 stop Houston George Bush Intcntl

9:20 am - 4:54 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

23h 34m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,315United Airlines

Sun, Feb 14 - Mon, Feb 22

10:15 am - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

30h 15m2 stops Detroit Metropolitan Wayne County Los Angeles

1:35 pm - 12:02 amSYD Sydney Kingsford Smith-SDF Louisville Intl

26h 27m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Sun, Feb 14 - Tue, Feb 23

3:50 pm - 9:05 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 15m2 stops Houston George Bush Intcntl Los Angeles

9:20 am - 6:04 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 44m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,315United Airlines

Mon, Feb 15 - Mon, Feb 22

7:05 am - 8:35 amSDF Louisville Intl-SYD Sydney Kingsford Smith

33h 30m2 stops Houston George Bush Intcntl Auckland Intl

7:25 pm - 7:35 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

40h 10m2 stops Auckland Intl Houston George Bush Intcntl

$1,352Air New Zealand

Sun, Jan 31 - Thu, Feb 11

8:18 pm - 8:05 amSDF Louisville Intl-SYD Sydney Kingsford Smith

44h 47m2 stops Charlotte Douglas Los Angeles

2:05 pm - 7:09 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 04m1 stop Dallas/Fort Worth

$1,447Qantas Airways

Fri, Oct 16 - Sun, Nov 1

9:32 am - 8:35 amSDF Louisville Intl-SYD Sydney Kingsford Smith

31h 03m2 stops Houston George Bush Intcntl Auckland Intl

2:05 pm - 11:55 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

25h 50m3 stops Auckland Intl Los Angeles Chicago O'Hare Intl

$1,482Multiple Airlines

Sun, Jan 31 - Thu, Feb 11

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United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

Feb 14

SDF3:50 pmLouisville Intl

23h 10m

1 stop

SYD7:00 amSydney Kingsford Smith

Feb 22

SYD9:20 amSydney Kingsford Smith

28h 10m

1 stop

SDF9:30 pmLouisville Intl

$1,311

United Airlines

Feb 14

SDF7:05 amLouisville Intl

31h 15m

2 stops

SYD6:20 amSydney Kingsford Smith

Feb 22

SYD9:20 amSydney Kingsford Smith

24h 44m

2 stops

SDF6:04 pmLouisville Intl

$1,315

United Airlines

Nov 30

SDF3:24 pmLouisville Intl

25h 41m

2 stops

SYD9:05 amSydney Kingsford Smith

Dec 13

SYD9:15 amSydney Kingsford Smith

20h 23m

1 stop

SDF1:38 pmLouisville Intl

$1,360

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

Feb 12

SDF7:30 pmLouisville Intl

67h 20m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 23

SYD1:35 pmSydney Kingsford Smith

26h 27m

2 stops

SDF12:02 amLouisville Intl

$1,333

Delta

Feb 12

SDF6:26 pmLouisville Intl

46h 04m

2 stops

SYD8:30 amSydney Kingsford Smith

Feb 20

SYD10:40 amSydney Kingsford Smith

52h 15m

2 stops

SDF10:55 pmLouisville Intl

$1,451

Delta

Feb 13

SDF5:45 pmLouisville Intl

45h 05m

2 stops

SYD6:50 amSydney Kingsford Smith

Feb 21

SYD10:40 amSydney Kingsford Smith

39h 14m

2 stops

SDF9:54 amLouisville Intl

$1,539

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 2/14

3:50 pm-7:00 am

1 stop23h 10m

Sydney Kingsford Smith

Mon 2/22

9:20 am-9:30 pm

1 stop28h 10m

$1,311

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 2/15

3:50 pm-7:00 am

1 stop23h 10m

Sydney Kingsford Smith

Mon 2/22

9:20 am-9:30 pm

1 stop28h 10m

$1,311

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 2/15

8:20 am-8:30 am

2 stops32h 10m

Sydney Kingsford Smith

Tue 2/23

10:40 am-12:02 am

2 stops29h 22m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 2/13

5:45 pm-6:50 am

2 stops45h 05m

Sydney Kingsford Smith

Tue 2/23

1:35 pm-12:02 am

2 stops26h 27m

$1,315

Quickest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 2/14

3:50 pm-7:00 am

1 stop23h 10m

Sydney Kingsford Smith

Mon 2/22

9:20 am-4:54 pm

2 stops23h 34m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 2/14

10:15 am-8:30 am

2 stops30h 15m

Sydney Kingsford Smith

Tue 2/23

1:35 pm-12:02 am

2 stops26h 27m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 2/15

3:50 pm-9:05 am

2 stops25h 15m

Sydney Kingsford Smith

Mon 2/22

9:20 am-6:04 pm

2 stops24h 44m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 1/31

7:05 am-8:35 am

2 stops33h 30m

Sydney Kingsford Smith

Thu 2/11

7:25 pm-7:35 pm

2 stops40h 10m

$1,352

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 10/16

8:18 pm-8:05 am

2 stops44h 47m

Sydney Kingsford Smith

Sun 11/1

2:05 pm-7:09 pm

1 stop20h 04m

$1,447

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 1/31

9:32 am-8:35 am

2 stops31h 03m

Sydney Kingsford Smith

Thu 2/11

2:05 pm-11:55 pm

3 stops25h 50m

$1,482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Sydney during the month of March, then departing from Louisville during the month August is also very affordable. Most momondo users find prices during this month for around $1,191.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 7% on your flight if you consider stops on a Louisville to Sydney flight.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Best Price Found	$1,667
Fastest flight time	23h 19m
Direct flights	None

The best one-way flight to Sydney from Louisville in the past 72 hours is $1,667. The best round-trip flight deal from Louisville to Sydney found on momondo in the last 72 hours is $1,311.

The fastest flight from Louisville to Sydney takes 23h 19m

There are no direct flights from Louisville to Sydney. There are no popular flight routes from Louisville to Sydney.

Search flight deals

Frequently asked questions about flying from Louisville to Sydney

How far is Louisville Intl to Sydney Kingsford Smith by plane?
A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 23h 19m.
When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
There are 2 operators available for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport as of September 2026.
How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Louisville to Sydney is United Airlines (63% of total bookings). The next most popular airline is Delta (37%).

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $1,140	Free Cancellation	Rating 7.8 8,570 reviews		Search Delta flights
United Airlines	PriceFrom $1,228	Free Cancellation	Rating 7.4 10,214 reviews		Search United Airlines flights

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Penrith

Katoomba

Coogee

Cronulla

Leura

Randwick

Manly

Terrigal

Lithgow

Charlestown

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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Cheap flights from Louisville to Sydney from $1,311

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

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Our best Delta deals on Louisville to Sydney flight tickets

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How to get the cheapest flight ticket from Louisville to Sydney

What is the cheapest month to fly to Sydney?

Can stopping save me money on Louisville to Sydney flights?

What is the cheapest airline that flies from Louisville Intl to Sydney Kingsford Smith?

What airlines fly to Sydney?

When to book flights from Louisville to Sydney

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisville to Sydney

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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